Morphology Data of Gonorynchus forsteri
Identification keys
Main Ref. Grande, T., 1999
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance
Different colors

Descriptive characteristics of juvenile and adult

Striking features
Body shape lateral elongated
Cross section
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth

Pigmented brown dorsally and orange-pink ventrally; fins have dark gray patches contrasting with pale gray patches at the margins. Lower lip of mouth with elongated forked papillae. Lateral line pore tubes positioned between every 2 scales instead of the common pattern of 2:1:2 (Ref. 38037). Caudal vertebrae (= pleural caudal vertebrae + ural caudal vertebrae) 12 + 1. Lateral line scale pattern of 2:2:2 (that is, 2 scales: pore, 2 scales: pore, etc.)

Ease of Identification

Meristic characteristics of Gonorynchus forsteri

Lateral Lines Interrupted: No
Scales on lateral line 240 - 256
Pored lateral line scales
Scales in lateral series
Scale rows above lateral line
Scale rows below lateral line
Scales around caudal peduncle
Gill clefts (sharks/rays only)
Gill rakers
on lower limb
on upper limb
total 64 - 66


Dorsal fin(s)

Fins number
Finlets No. Dorsal   
Spines total
Soft-rays total 10 - 11
Adipose fin

Caudal fin


Anal fin(s)

Fins number
Spines total
Soft-rays total 7 - 8

Paired fins

Pectoral Attributes  
Soft-rays   10 - 11
Pelvics Attributes  
Soft-rays   9 - 9
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered by Capuli, Estelita Emily
Modified by Froese, Rainer
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cfm script by eagbayani, 17.10.00, php script by rolavides, 13/03/08 ,  last modified by sortiz, 06.27.17